Tetra Pond Green-Free UV Clarifiers are High-Clarity Quartz Sleeve, and fits standard tubing, with mounting brackets, and quick-release couplings. Stainless steel insert with reflective surface increases UV exposure, and prevents internal degradation of plastic housings.

Part #             Description                  Pond Volume       Max Flow          Inlet/Outlet

19521            UVC-18, 18W                   4400                2200gph          3/4 - 1- 1.25"